1439242 has 16 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 612720.

The previous prime is 1439239. The next prime is 1439261. The reversal of 1439242 is 2429341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2892 + ... + 3352.

It is an arithmetic number, because the mean of its divisors is an integer number (155232).

2^1439242 is an apocalyptic number.

1439242 is a deficient number, since it is larger than the sum of its proper divisors (1044470).

1439242 is a wasteful number, since it uses less digits than its factorization.

1439242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its digits is 1728, while the sum is 25.

The square root of 1439242 is about 1199.6841250929. The cubic root of 1439242 is about 112.9045059517.

Subtracting 1439242 from its reverse (2429341), we obtain a palindrome (990099).

It can be divided in two parts, 1439 and 242, that added together give a square (1681 = 41²).

The spelling of 1439242 in words is "one million, four hundred thirty-nine thousand, two hundred forty-two".